whats diffeence between dcs & scada operation.

3 Answers   Orchid, Reliance,

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where proximity sensor installed on tank in loading arm application

0 Answers  

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For an Instrumentation Engineer, is there any effect on Instruments of safety zones like zone0, zone1, zone2. As an instrumentation Engineer, what we have to consider or remember while working in these areas.( zones 0,1,2).

1 Answers  

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Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

0 Answers   ISRO,

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What do you need to consider when installing a flowmeter

2 Answers  

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Close loop and open loop diagram for instrumentation

1 Answers   Petron ltd,

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What is 3 selection available when configure the burnout protection for controller

0 Answers   EI Electrotechnical Institute,

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How to calibrate level transmitter with use of HART?

0 Answers   Samsung,

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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Explain what is meant by the term “FLASH POINT” of liquid?

2 Answers  

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What are the processes Variables?

4 Answers  

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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